Assertion :Proteins are amphoteric in nature. Reason: They can form salts with both cations and anions.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Amphoteric properties of a proteinare due to the presence of free carboxylic and free amino group at the end of the protein which can react with the acids and bases. In acidic medium, protein carries positive charges at amino group and in the alkaline medium it carries negative charges at the carboxylic group.
So, the correct answer is option A.

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Assertion (A) Boiling points of alcohols and ethers are high.
Reason (R) They can form intermolecular hydrogen-bonding.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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